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Question

Answer the following questions in detail−

The following are the monthly income of 10 families in a village.

Calculate mean average income per family.
Rs 550, Rs 650, Rs 700, Rs 400, Rs 550,
Rs 650, Rs 800, Rs 900, Rs 450, Rs 350

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Solution

Mean=X=ΣxnX=550+650+700+400+550+650+800+900+450+35010=600010=600

Thus, mean income is Rs 600.

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